JPS62116213U

JPS62116213U -

Info

Publication number: JPS62116213U
Application number: JP414086U
Authority: JP
Priority date: 1986-01-16
Filing date: 1986-01-16
Publication date: 1987-07-23

Description

[Brief explanation of the drawing]

第１図は本考案に係るプラスチツクレンズ保持
装置の一実施例に用いられるプラスチツクレンズ
部分の例を示す斜視図、第２図は同上プラスチツ
クレンズを用いた実施例の正面図、第３図は同上
実施例の一作動態様を示す正面図、第４図は同上
実施例の異なる作動態様を示す正面図、第５図は
本考案に係るプラスチツクレンズ保持装置の別の
実施例に用いられる保持部材の例を示す斜視図、
第６図は同上保持部材を用いた実施例の正面図、
第７図は本考案に係るプラスチツクレンズ保持装
置のさらに別の実施例を示す分解斜視図、第８図
は本考案に係るプラスチツクレンズ保持装置のさ
らに別の実施例を示す正面図、第９図は本考案の
さらに別の実施例を示す正面図である。１，１１，２１，３１，４１……プラスチツク
レンズ、２，１２ｂ，２２，３４，４４ａ……凸
部、３，１３，２３，３３，４３……鏡枠、４，
１４，２４，３２，４２……凹部、６，１６，３
６，４６……空隙。 Fig. 1 is a perspective view showing an example of a plastic lens portion used in an embodiment of the plastic lens holding device according to the present invention, Fig. 2 is a front view of an embodiment using the same plastic lens, and Fig. 3 is the same as above. FIG. 4 is a front view showing a different operating mode of the embodiment, FIG. 5 is a front view showing a different operating mode of the same embodiment, and FIG. A perspective view showing an example,
FIG. 6 is a front view of an embodiment using the same holding member as above;
FIG. 7 is an exploded perspective view showing still another embodiment of the plastic lens holding device according to the present invention, FIG. 8 is a front view showing still another embodiment of the plastic lens holding device according to the present invention, and FIG. 9 FIG. 3 is a front view showing still another embodiment of the present invention. 1, 11, 21, 31, 41... Plastic lens, 2, 12b, 22, 34, 44a... Convex portion, 3, 13, 23, 33, 43... Lens frame, 4,
14, 24, 32, 42... recess, 6, 16, 3
6,46...Void.

Claims

[Scope of utility model registration request]

A plurality of corresponding convex portions and concave portions are provided in the radial direction of the lens on the peripheral edge of the plastic lens and the lens holding portion in the lens barrel, respectively, and when the convex portion and the concave portion are fitted together, the convex portion and the concave portion are A plastic lens holding device characterized in that a gap is formed between the plastic lens and the lens frame, and the pressure between the plastic lens and the lens frame due to expansion and contraction is absorbed by the gap.